The U.S. Army has named the third service member who died in the collision between a Black Hawk helicopter and a commercial plane.

Diving crews are still searching the icy waters of the Potomac River looking to retrieve the bodies of all the people killed in this week’s plane and helicopter collision. Retired Black Hawk instructor pilot Martin Gottholm discusses the difficulties in flying at night for Black Hawk pilots and questions surrounding the altitudes of the aircrafts at the time.

The U.S. Army on Saturday released the name of the third soldier who died on a Black Hawk helicopter that collided with an American Airlines passenger jet near Ronald Reagan Washington National Airport this week,